Table of Contents
The Audi Q5 is a popular premium crossover from the German Volkswagen Group. In this article, we will provide a detailed breakdown of the fuse box diagrams for the Audi Q5 (second generation; FY body code; MLB Evo platform) for the 2017, 2018, 2019, 2020, 2021, 2022, 2023, and 2024 model years.
Here you will find the locations and photos of the fuse and relay boxes. We will specifically highlight the fuses responsible for the cigarette lighter and the fuel pump.
Important: Exact fuse ratings may vary depending on the model year and vehicle trim level.
Under-dash fuse box
Located on the left side (in the footwell). The layout varies depending on whether the vehicle is a left-hand or right-hand drive configuration.
General view and location (left-hand drive / LHD).
Location (right-hand drive / RHD).
| Diagrams | ||
|---|---|---|
Left-hand drive (LHD). |
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Right-hand drive (RHD). |
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| No. | Protected circuit | Amps (A) |
| Panel A (Brown) | ||
| 1 | Oxygen (O2) sensor heater | 15 |
| 2 | Engine control module (ECM) | 10 |
| 3 | Exhaust flaps, fuel injectors, intake manifold runner control, PCV heater | 15 |
| 4 | Vacuum pump, auxiliary coolant pump, NOx sensor, particulate matter sensor, fuel quality sensor (TDI) | 15 |
| 5 | Brake light switch (brake pedal sensor) | 5 |
| 6 | Engine solenoid valves, camshaft adjustment valves | 10 |
| 7 | Heated oxygen sensors, mass air flow (MAF) sensor, coolant pump | 10 |
| 8 | Coolant pump, high-pressure fuel pump (HPFP), fuel pressure control valve, electronic thermostat, active engine mounts | 20 |
| 9 | Auxiliary coolant pump, main engine relay, 48V starter generator (MHEV) | 10 |
| 10 | Oil pressure sensor, oil temperature sensor | 5 |
| 11 | Clutch position sensor, 12V/48V starter generator | 5 |
| 12 | Engine solenoid valves, active engine mount | 10 |
| 13 | Engine cooling system | 10 |
| 14 | Fuel injectors, engine/transmission control module (ECM/TCM) | 15 |
| 15 | Ignition coils (TFSI), oxygen sensors | 20 |
| 16 | In-tank fuel pump (LPFP) / Fuel pump control module | 25 |
| Panel B (Red) | ||
| 1 | Factory immobilizer (anti-theft alarm system) | 10 |
| 2 | Engine/transmission control module (ECM/TCM) | 5 |
| 3 | Front left seat control module (adjustment, lumbar support, massage) | 30 |
| 4 | Automatic transmission gear selector | 5 |
| 5 | Horn | 15 |
| 6 | Electromechanical parking brake (EPB) | 5 |
| 7 | Data bus diagnostic interface (Gateway) | 5 |
| 8 | Roof electronics control module | 20 |
| 9 | Telematics control module (eCall / Emergency call) | 5 |
| 10 | Supplemental restraint system (SRS) control module (airbags) | 5 |
| 11 | Electronic Stabilization Control (ESC) / ABS control module | 5 |
| 12 | OBD-II port, rain and light sensor | 5 |
| 13 | Climate control module (Climatronic) | 10 |
| 14 | Right front door control module | 30 |
| 15 | A/C compressor clutch/valve | 10 |
| 16 | Brake booster vacuum pump | 40 |
| Panel C (Black) | ||
| 1 | Front seat heating | 30 |
| 2 | Windshield wipers (wiper motor) | 30 |
| 3 | Left headlight control module | 15 |
| 4 | Panoramic roof/sunroof control module | 20 |
| 5 | Left front door control module | 30 |
| 6 | 12V sockets, cigarette lighter | 20 |
| 7 | Right rear door control module | 30 |
| 8 | All-wheel drive (AWD) control module (Quattro ultra) | 15 |
| 9 | Right headlight control module | 15 |
| 10 | Headlight and windshield washer control module | 30 |
| 11 | Left rear door control module | 30 |
| 12 | Parking/auxiliary heater receiver | 20 |
| Panel D (Black) | ||
| 1 | Front seat electronics, rear climate control panel, interior rearview mirror | 7.5 |
| 2 | Gateway, body control module (BCM) | 30 |
| 3 | Sound actuator / exhaust sound tuning | 15 |
| 4 | Clutch position sensor | 5 |
| 5 | Keyless system (engine start), emergency shut-off | 7.5 |
| 6 | OBD-II port, TMC traffic information antenna | 5 |
| 7 | USB ports | 7.5 |
| 8 | HomeLink system (garage door opener) | 5 |
| 9 | Adaptive cruise control (ACC) radar | 5 |
| 10 | Not used | - |
| 11 | Front driver assist camera (ADAS) | 5 |
| 12 | Right headlight | 15 |
| 13 | Left headlight | 15 |
| 14 | Automatic transmission fluid cooling pump / Rear window wiper | 15 |
| 15 | Factory alarm siren | 5 |
| Panel E (Red) | ||
| 1 | Ignition coils | 20 |
| 2 | A/C compressor | 10 |
| 3 | Not used | - |
| 4 | Not used | - |
| 5 | Left headlight | 15 |
| 6 | Automatic transmission (S-tronic / Tiptronic) | 15 |
| 7 | Instrument panel | 5 |
| 8 | HVAC blower motor (climate control) | 40 |
| 9 | Right headlight | 15 |
| 10 | Dynamic steering | 30 |
| 11 | Engine start system (starter) | 30 |
Fuse box on the left end of the dashboard
Another fuse panel is located on the left end of the dashboard, behind the plastic cover.
| Diagram | ||
|---|---|---|
|
||
| No. | Protected circuit | Amps (A) |
| 1 | Keyless entry control module (KESSY / NFC) | 5 |
| 2 | Audi Phone Box (telematics), USB port | 5 |
| 3 | Not used | - |
| 4 | Head-up display (HUD) | 5 |
| 5 | Audi Music Interface (AMI), USB port | 5 |
| 6 | Front climate control panel | 10 |
| 7 | Electromechanical steering column lock (ELV) | 10 |
| 8 | MMI central display | 5 |
| 9 | Instrument cluster (Virtual Cockpit) | 5 |
| 10 | MMI control panel (volume dial) | 5 |
| 11 | Headlight switch module | 5 |
| 12 | Steering column electronics (steering column switch module) | 10 |
| 13 | Air quality / particulate matter sensor | 5 |
| 14 | Multimedia system (Infotainment control module) | 20 |
| 15 | Power steering column adjustment | 15 |
| 16 | Heated steering wheel | 15 |
Luggage compartment fuse box
Located on the left side, behind the trim panel.
| Diagram | ||
|---|---|---|
|
||
| No. | Protected circuit | Amps (A) |
| Panel A (Black) | ||
| A1 | Thermal management control module | 5 |
| A2 | Heated windshield | 40 |
| A3 | Heated windshield | 40 |
| A4 | Not used | - |
| A5 | Air suspension control module | 15 |
| A6 | Automatic transmission control module (TCM) | 15 |
| A7 | Rear window defogger | 30 |
| A8 | Heated rear seats | 30 |
| A9 | Left taillight | 10 |
| A10 | Left seat belt tensioner igniter | 30 |
| A11 | Central locking module (comfort control module) | 20 |
| A12 | Power tailgate | 30 |
| Panel B (Red) | ||
| B1 | Not used | - |
| B2 | High-voltage (HV) battery (PHEV) | 10 |
| B3 | High-voltage battery cooling pump | 15 |
| B4 | Electric motor (hybrid system) | 10 |
| B5 - B7 | Not used | - |
| B8 | Electric A/C compressor (PHEV) | 30 |
| B9 | Not used | - |
| B10 | High-voltage battery | 10 |
| B11 | On-board charger (OBC) | 10 |
| Panel C (Brown) | ||
| C1 | Not used | - |
| C2 | Telematics (Phone Box) | 5 |
| C3 | Power lumbar support | 10 |
| C4 | Blind spot monitoring system (Side Assist) | 5 |
| C5 | Rear seat entertainment (RSE) preparation | 10 |
| C6 | Not used | - |
| C7 | Keyless entry and start system (KESSY) | 5 |
| C8 | Fuel tank module; Parking heater receiver | 5 |
| C9 | Temperature-controlled cup holder | 10 |
| C10 | TV tuner | 5 |
| C11 | 12V battery / Backup battery control module | 15 |
| C12 | HomeLink system (garage door opener) | 5 |
| C13 | Rearview camera, 360° surround view system | 5 |
| C14 | Right taillight | 10 |
| C15 | Not used | - |
| C16 | Right seat belt tensioner igniter | 30 |
| Panel E (Red) | ||
| E1 | Not used | - |
| E2 | Sound amplifier (DSP / Subwoofer) | 30 |
| E3 | SCR (AdBlue) system heating (TDI) | 25 |
| E4 | Not used | - |
| E5 | Trailer hitch control module (right trailer light) | 20 |
| E6 | Not used | - |
| E7 | Trailer hitch control module (main) | 20 |
| E8 | Trailer hitch control module (left trailer light) | 20 |
| E9 | Trailer hitch control module (trailer socket) | 20 |
| E10 | Sport differential (SQ5) | 15 |
| E11 | SCR (AdBlue) system heating (TDI) | 20 |
